A seashell may look like a beautiful, hollow treasure, but to a certain sea creature it was once more than that. Seashells are the exoskeletons of mollusks such as .\r
\r
A sea shell is a hard, protective outer layer created by an animal that lives in the sea. The shell is part of the body of the animal. Empty seashells are often found .\r
\r
Thank you to James Cook University - And to the following Subbable supporters, who also help make MinuteEarth possible: .\r
\r
If you study snails, youve got to be patient. But two UCMP graduate students, Jann Vendetti and Scott Fay, used time-lapse photography to kick slow snails into .
